PLEASE HELP WILL MARK BRAINLIEST
4. A negatively charged rod is brought near a metal ball on an insulating stand. A ground wire is then attached to the bowl and removed. For the positive charges to spread evenly through the ball, what must happen?
A. The rod must be touched to the ball
B. The wire must be connected to the rod
C. The wire must be wrapped around the ball
D. The rod must be pulled away from the ball
